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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1968/US Senate/Iowa
      1968·US Senate·Iowa

      Iowa US Senate

      Winner
      DEM
      Harold E. Hughes
      50.3%574,884 votes
      Runner-up
      REP
      David M Stanley
      49.7%568,469 votes
      Margin
      D+0.6
      1,144,086 total votes
      3 candidates1,144,086 total votes
      CandidatePartyVotes ▼%Vote Share
      Harold E. HughesDEM✓
      		DEM574,88450.3%
      David M StanleyREP
      		REP568,46949.7%
      OtherOTH
      		OTH7330.1%

      Seat History

      US Senate in Iowa(Class I)

      2022
      Charles E GrassleyREP
      R+12.2
      2020
      Joni K ErnstREP
      R+6.6
      2016
      Charles E GrassleyREP
      R+24.4
      2014
      Joni K ErnstREP
      R+8.3
      2010
      Charles E GrassleyREP
      R+31.1
      2008
      Tom HarkinDEM
      D+25.4
      2004
      Charles E GrassleyREP
      R+42.3
      2002
      Tom HarkinDEM
      D+10.4
      1998
      Charles E GrassleyREP
      R+37.9
      1996
      Tom HarkinDEM
      D+5.1
      1992
      Charles E GrassleyREP
      R+42.4
      1990
      Tom HarkinDEM
      D+9.1
      1986
      Charles E GrassleyREP
      R+32.5
      1984
      Tom HarkinDEM
      D+11.8
      1980
      Charles E GrassleyREP
      R+8.0
      View all US Senate history for Iowa →

      Candidates

      David M StanleyREP
      Record1W-2L
      Avg MarginR+9.6
      Career1968-1974
      US Senate / State House
      Full profile →
      Harold E. HughesDEM
      Record4W-0L
      Avg MarginD+13.4
      Career1962-1968
      US Senate / Governor
      Full profile →

      Also in Iowa, 1968

      President1 contest →Governor1 contest →
      ← All 1968 US Senate races1968 overviewIowa profileAll elections